Home / 3,682.32-5,523.32-1,085.28

Finding the Fourth Proportional to 3,682.32, 5,523.32 and 1,085.28

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Solution

The fourth proportional to 3,682.32, 5,523.32 and 1,085.28 is: 1,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.32 : 5,523.32 = 1,085.28 : x
  2. Step 2: Convert to fraction form
    3,682.32/5,523.32 = 1,085.28/x
  3. Step 3: Cross multiply
    3,682.32x = 5,523.32 × 1,085.28
  4. Step 4: Simplify right side
    3,682.32x = 5,994,348.73
  5. Step 5: Solve for x
    x = 5,994,348.73/3,682.32
  6. Step 6: Final answer
    x = 1,627.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.